“…First, anti-GBM glomerulonephritis has rarely been described as a paraneoplastic disease, but in the reported cases, serum antineutrophil cytoplasmic antibody levels are positive. 12 , 13 Second, there has been a case report of anti-GBM glomerulonephritis associated with nintedanib, 14 but not with bevacizumab. Whereas nintedanib is a small molecule that targets vascular endothelial growth factor receptors-1,2,3, platelet-derived growth factor receptors-α/β, and fibroblast growth factor receptors-1,2,3 pathways, bevacizumab is a recombinant humanized monoclonal antibody that binds to vascular endothelial growth factor-A.…”